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| 扩链: 48 phrases in 14 subjects |
| Agriculture | 2 |
| Business | 1 |
| Computer networks | 1 |
| Cryptography | 2 |
| Ecology | 1 |
| Electronics | 8 |
| Information technology | 2 |
| Metallurgy | 1 |
| Multimedia | 1 |
| Oil / petroleum | 2 |
| Polymers | 6 |
| Space | 17 |
| Technology | 1 |
| Telecommunications | 3 |
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